Metal treatment – Compositions – Heat treating
Patent
1975-04-21
1976-03-02
Douglas, Winston A.
Metal treatment
Compositions
Heat treating
106 58, 148 6, 148113, B23K 3524, C04B 3504
Patent
active
039416224
ABSTRACT:
Novel amorphous magnesia-silica complexes containing from about 0.001 to 2.0 percent by weight of an alkali metal oxide, wherein the mole ratio of MgO:SiO.sub.2 of said complexes is from about 1:25 to 14:1.
REFERENCES:
patent: 3151000 (1964-09-01), Schmidt et al.
patent: 3215601 (1965-11-01), Stolar
patent: 3562029 (1971-02-01), Goglio et al.
patent: 3583919 (1971-06-01), Balint et al.
patent: 3765957 (1973-10-01), Hamachi et al.
Lee Leonard S.
Sopp Samuel W.
Uyeda Yoshio
Douglas Winston A.
Levitt Julian S.
Merck & Co. , Inc.
Pfeiffer Hesna J.
Wright William G.
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